oxy/acetylene torch info

i got this oxy/acetylene torch setup from my grandpa for free. it appears the only things i dont have are the tanks.... this set is pretty old and i dont know a whole lot about it. the torch handle, regulator knobs, and fittings all looks anodized. is this set any good? whats it worth? it was used, but doesnt look like it was used much.... almost looks new. whats it usually cost to get small oxy/acetylene tanks? anything i should do before using it? its been sitting for a long time.

Marquette Star Jet
SA 795 on the gauges
21-110 on the torch

also have a couple test gauges that dont appear to have come in the set. what would these be for?
Marsh Instrument Company
test gauge type 28
one is 0-100
one is 0-300

Looks good to me. It really does not matter if they are old...as long as they work because oxy/acetylene welding technology has not changed in the last 100 years. You might want to get new hoses. If they are really old, they might be dry rotted. New tanks are about $80 a piece empty. You can probably get smaller tanks for less, but small tanks run out real fast. Filling them is about another $20 to $30 or so. I do not know what the those other gauges are for.

There's a small family torch repair business locally. I sorta' collect torches, and always bring my used junk to this fello. He opens 'em up, changes, corrects and sandblasts (fine grit) to perfection. Because of cheap imports, price is low.
I'm sure there's a local place, but if you're interested... Name; Plattsburgh Gauge, (sorry, no web presence), they also maintain and repair our complexes fire extuinguishers, all legal and stuff. They do most of the local "corporate" welding co's repairs.
Marquette disappeared from the scene years ago, but I recocnize the regulators, re-labeled? Otherwise, partz are non-existant.

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